Name: Cuatro Cubano.
Type: Lute > Chordophone.
Region: Caribbean & Central America.
Description: The Cuban cuatro (cuatro Cubano, or tres tuatro), is similar to a Cuban tres, but with 4 courses of doubled strings, instead of the usual 3 courses. It is usually tuned G4-G3 C4-C4 E4-E4 A4-A4.